diff --git a/compiler/ccgstmts.nim b/compiler/ccgstmts.nim
index a80ef37efd..5ea23d1f80 100644
--- a/compiler/ccgstmts.nim
+++ b/compiler/ccgstmts.nim
@@ -230,7 +230,7 @@ proc blockLeaveActions(p: BProc, howManyTrys, howManyExcepts: int, isReturnStmt
   # Called by return and break stmts.
   # Deals with issues faced when jumping out of try/except/finally stmts.
 
-  var stack = newSeq[tuple[fin: PNode, inExcept: bool, label: Natural]](0)
+  var stack = newSeq[tuple[fin: PNode, inExcept: bool, isHidden: bool, label: Natural]](0)
 
   inc p.withinBlockLeaveActions
   for i in 1..howManyTrys:
@@ -836,12 +836,26 @@ proc raiseExitCleanup(p: BProc, destroy: string) =
         p.s(cpsStmts).addGoto("LA" & $p.nestedTryStmts[^1].label & "_")
 
 proc finallyActions(p: BProc) =
-  if p.config.exc != excGoto and p.nestedTryStmts.len > 0 and p.nestedTryStmts[^1].inExcept:
-    # if the current try stmt have a finally block,
-    # we must execute it before reraising
-    let finallyBlock = p.nestedTryStmts[^1].fin
-    if finallyBlock != nil:
-      genSimpleBlock(p, finallyBlock[0])
+  if p.config.exc != excGoto:
+    # Walk past compiler-injected `nkHiddenTryStmt` wrappers (e.g. ARC's
+    # destructor try/finally that wraps `except T as e:` bodies) to reach
+    # the user's actual try.  We must NOT walk past a real user try whose
+    # body we are currently in, because a raise from there will be caught
+    # by that try's own except branches rather than escaping outward.
+    #
+    # If after skipping wrappers the next entry is a user try in its
+    # except branch (inExcept=true), inline its finally body before the
+    # raise propagates — without this, the C++ sibling-catch rule would
+    # cause the user's catch(...)/finally pair to be bypassed and the
+    # finally would be silently dropped.
+    for i in countdown(p.nestedTryStmts.high, 0):
+      if p.nestedTryStmts[i].isHidden:
+        continue
+      if p.nestedTryStmts[i].inExcept:
+        let finallyBlock = p.nestedTryStmts[i].fin
+        if finallyBlock != nil:
+          genSimpleBlock(p, finallyBlock[0])
+      return
 
 proc raiseInstr(p: BProc; result: var Builder) =
   if p.config.exc == excGoto:
@@ -1185,7 +1199,7 @@ proc genTryCpp(p: BProc, t: PNode, d: var TLoc) =
   lineCg(p, cpsLocals, "std::exception_ptr T$1_;$n", [etmp])
 
   let fin = if t[^1].kind == nkFinally: t[^1] else: nil
-  p.nestedTryStmts.add((fin, false, 0.Natural))
+  p.nestedTryStmts.add((fin, false, t.kind == nkHiddenTryStmt, 0.Natural))
 
   if t.kind == nkHiddenTryStmt:
     lineCg(p, cpsStmts, "try {$n", [])
@@ -1371,7 +1385,7 @@ proc genTryCppOld(p: BProc, t: PNode, d: var TLoc) =
   genLineDir(p, t)
   cgsym(p.module, "popCurrentExceptionEx")
   let fin = if t[^1].kind == nkFinally: t[^1] else: nil
-  p.nestedTryStmts.add((fin, false, 0.Natural))
+  p.nestedTryStmts.add((fin, false, t.kind == nkHiddenTryStmt, 0.Natural))
   startBlockWith(p):
     p.s(cpsStmts).add("try {\n")
   expr(p, t[0], d)
@@ -1450,7 +1464,7 @@ proc genTryGoto(p: BProc; t: PNode; d: var TLoc) =
   let lab = p.labels
   let hasExcept = t[1].kind == nkExceptBranch
   if hasExcept: inc p.withinTryWithExcept
-  p.nestedTryStmts.add((fin, false, Natural lab))
+  p.nestedTryStmts.add((fin, false, t.kind == nkHiddenTryStmt, Natural lab))
 
   p.flags.incl nimErrorFlagAccessed
 
@@ -1656,7 +1670,7 @@ proc genTrySetjmp(p: BProc, t: PNode, d: var TLoc) =
     initElifBranch(p.s(cpsStmts), nonQuirkyIf, removeSinglePar(
       cOp(Equal, dotField(safePoint, "status"), cIntValue(0))))
   let fin = if t[^1].kind == nkFinally: t[^1] else: nil
-  p.nestedTryStmts.add((fin, quirkyExceptions, 0.Natural))
+  p.nestedTryStmts.add((fin, quirkyExceptions, t.kind == nkHiddenTryStmt, 0.Natural))
   expr(p, t[0], d)
   var quirkyIf = default(IfBuilder)
   var quirkyScope = default(ScopeBuilder)
diff --git a/compiler/cgendata.nim b/compiler/cgendata.nim
index 5b5668024a..fb8f2086cb 100644
--- a/compiler/cgendata.nim
+++ b/compiler/cgendata.nim
@@ -75,10 +75,13 @@ type
     flags*: set[TCProcFlag]
     lastLineInfo*: TLineInfo  # to avoid generating excessive 'nimln' statements
     currLineInfo*: TLineInfo  # AST codegen will make this superfluous
-    nestedTryStmts*: seq[tuple[fin: PNode, inExcept: bool, label: Natural]]
+    nestedTryStmts*: seq[tuple[fin: PNode, inExcept: bool, isHidden: bool, label: Natural]]
                               # in how many nested try statements we are
                               # (the vars must be volatile then)
-                              # bool is true when are in the except part of a try block
+                              # `inExcept` is true when we are in the except part of a try block.
+                              # `isHidden` is true for compiler-injected `nkHiddenTryStmt` wrappers
+                              # (e.g. ARC's destructor try/finally around `except T as e:` bodies);
+                              # finallyActions walks past such wrappers to reach the user's try.
     finallySafePoints*: seq[Rope]  # For correctly cleaning up exceptions when
                                    # using return in finally statements
     labels*: Natural          # for generating unique labels in the C proc
diff --git a/tests/exception/tcpp_handler_raise_finally.nim b/tests/exception/tcpp_handler_raise_finally.nim
new file mode 100644
index 0000000000..880903d5a9
--- /dev/null
+++ b/tests/exception/tcpp_handler_raise_finally.nim
@@ -0,0 +1,61 @@
+discard """
+  targets: "cpp"
+  matrix: "--mm:arc; --mm:orc; --mm:refc"
+  output: '''
+inner: orig
+finally
+outer: re:orig
+inner-typeless: orig
+finally-typeless
+outer-typeless: re-tl:orig
+no-catch-finally
+caught-propagated: prop
+'''
+"""
+
+# When an `except` handler raises a new exception, the enclosing `finally`
+# block must still run before the new exception propagates to the outer
+# try.
+#
+# The C++ backend previously emitted the finally's `catch (...)` as a
+# sibling of the user-written catches.  C++ does not allow sibling catches
+# to catch each other's throws, so a handler-raised exception bypassed the
+# finally entirely.  The fix wraps the inner try/catch sequence in an
+# outer try, so any escaping exception (whether from the body or from a
+# handler) is captured before the finally runs.
+
+block typed_except:
+  try:
+    try:
+      raise newException(CatchableError, "orig")
+    except CatchableError as e:
+      echo "inner: ", e.msg
+      raise newException(CatchableError, "re:" & e.msg)
+    finally:
+      echo "finally"
+  except CatchableError as outer:
+    echo "outer: ", outer.msg
+
+block typeless_except:
+  try:
+    try:
+      raise newException(CatchableError, "orig")
+    except:
+      let e = getCurrentException()
+      echo "inner-typeless: ", e.msg
+      raise newException(CatchableError, "re-tl:" & e.msg)
+    finally:
+      echo "finally-typeless"
+  except CatchableError as outer:
+    echo "outer-typeless: ", outer.msg
+
+# try/finally without an except: the body's exception must still propagate
+# after the finally runs.
+block no_catch_finally:
+  try:
+    try:
+      raise newException(CatchableError, "prop")
+    finally:
+      echo "no-catch-finally"
+  except CatchableError as e:
+    echo "caught-propagated: ", e.msg
diff --git a/tests/exception/tcpp_imported_exc.nim b/tests/exception/tcpp_imported_exc.nim
index 0c7846956b..8ee008bd96 100644
--- a/tests/exception/tcpp_imported_exc.nim
+++ b/tests/exception/tcpp_imported_exc.nim
@@ -1,5 +1,5 @@
 discard """
-matrix: "--mm:refc"
+matrix: "--mm:refc; --mm:orc"
 targets: "cpp"
 output: '''
 caught as std::exception